FitSok Sock Sizes
Sock Size	US Men's Shoe Size	US Women's Shoe Size
M	6-8.5	7-9.5
L	9-11.5	10-12
XL	12-14	12+

Sock Geek Says:

Charcoal has been discontinued by Fitsok so only mediums remain.

Great Fitsok fit and performance but now with high grade Merino Wool content.  The addition of Merino Wool enhances the comfort, durability, and moisture management capabilities of the sock.  Great as an everyday road sock but works well on the trails as well.  Moderate underfoot cushioning prevents friction blistering and enables prolonged performance.

•  Engineered Heel
•  Max Arch Support
•  FlowTech Air Channels
•  Perfect Seamless Toe

FitSok Isolwool Cushion Sock Specs

Sock Fibers: